Seneca

County:: Oconee County
County Seat:: No
Area (mi²):: 8.243
State:: South Carolina

Seneca is a city located in Oconee County, South Carolina. Seneca has a 2025 population of 9,167. Seneca is currently growing at a rate of 0.68% annually and its population has increased by 3.51% since the most recent census, which recorded a population of 8,856 in 2020.

The average household income in Seneca is $71,502 with a poverty rate of 18.82%. The median age in Seneca is 39.9 years: 39 years for males, and 40.2 years for females.

Demographics

The racial composition of Seneca includes 71.85% White, 18.52% Black or African American, and smaller percentages for other race, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	6,402	71.85%
Black or African American	1,650	18.52%
Two or more races	523	5.87%
Other race	260	2.92%
Asian	58	0.65%
Native American	17	0.19%
Native Hawaiian or Pacific Islander	0	0%

Seneca Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seneca's average per capita income is $33,189. Household income levels show a median of $52,207. The poverty rate stands at 18.82%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$100,852	-
Families	$72,292	$85,855
Households	$52,207	$71,502
Non Families	$40,841	$47,190

$33,189

Average Income

$52,207

Median Household Income

18.82%

Poverty Rate